A method, system and computer program product are provided for reorganizing a database table according to a set of queries. Its content-playback unit has the following IO characteristics: A) at least a portion of its content input is encrypted digital signals; B) at least a portion of its content output is non-digital or non-electrical signals. The system further includes a virtual device table and a permissions filter to ensure virtual linking between devices that have matching access right and requested services. A perforated plate is affixed at the bottom of the plunger, and provides fluid communication between the receptacle and the plunger. An optical antenna is coupled to the cross-section formed by the distal end of the multimode optical fiber, for example, via an auxiliary lens to provide increase in output radiation beam divergence.